Input interpretation
spodumene (mineral)
Image
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General properties
alternate names | kunzite | alpha-spodumene | hiddenite | triphane formula | LiAlSi_2O_6 discovery year | 1800
Basic properties
density | 3.15 g/cm^3 transparency | transparent | translucent birefringence | 0.016 luster | vitreous | dull Mohs hardness | 6.75 streak | white magnetism | nonmagnetic color | grayish white | pink | violet | emerald green | yellow fracture | splintery molar mass | 186.1 g/mol (grams per mole)
Units
Mineral identifiers
Strunz ID | VIII/F.01-120 Dana ID | 65.1.4.1
Crystallographic properties
crystal system | monoclinic crystal class | 2/m unit cell volume | 389.9 Å^3 (cubic ångströms) d-spacing | 2.921 Å (ångströms) | 2.793 Å (ångströms) | 4.205 Å (ångströms) intensity | 100% | 90% | 75% molecules per unit cell | 4 molecules per cell 2V angle | 71 π/180 radians≈71° (degrees) refractive indices | 1.655 | 1.663 | 1.671 | 0 | 0 | 0 dispersion | r < v | weak unit cell lengths | 9.52 Å (ångströms) | 8.32 Å (ångströms) | 5.25 Å (ångströms) unit cell angles | 90° (degrees) | 110.3° (degrees) | 90° (degrees)